MMS 2 EDI Ambient Electron Flux, Burst Mode, 1024 Samples/s

NASA's Magnetospheric Multiscale (MMS) mission Electron Drift Instrument (EDI) provides Level 2 burst mode data for ambient electron flux. The dataset likely contains high-resolution measurements at 1024 samples per second, focusing on electron sampling at selected pitch angles and energies. Data is reported in telemetry slots with information on beam firing directions, times-of-flight, quality indicators, and auxiliary correlator information.

Use Cases

• Analyzing electron pitch angle distributions based on the instrument's capability to sample at 90 degrees or field-aligned angles.
• Studying signal-to-noise ratio thresholds for beam detection based on the described SNR calculation method.
• Investigating high-temporal-resolution electron flux variations based on the 1024 samples per second burst mode.
• Modeling electron drift velocities and electric fields by comparing ambient mode data with electric field mode data described.
• Examining instrument operation and data quality flags based on the detailed description of telemetry slots and beam detection logic.

Strengths

• High temporal resolution data collection at 1024 samples per second in burst mode.
• Instrument provides selectable sampling at specific pitch angles (90 degrees or field-aligned) and energies.
• Data includes detailed auxiliary information such as beam firing directions, times-of-flight, and quality indicators.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data has no fixed time-resolution as beam hits are not synchronized with telemetry.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Measured by the Electron Drift Instrument (EDI) on the Magnetospheric Multiscale (MMS) mission spacecraft.

Freshness

Last updated 2026-03-13 08:49:10.683373; freshness should be verified.